package com.javacode2018.lesson001.demo18;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/***
 * 无参注解
 */

@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
@interface Ann1{ //@1

}

@Ann1
public class UseAnnotation1 {
}
